1937 Event 1st U.S. group hospital-medical cooperative authorized, Washington, D.C. 1935 Birthday Gordon Mumma, born in Framingham, Massachusetts, composer, musician, co-founder, the Cooperative Studio for Electronic Music, Ann Arbor, Michigan 1927 Birthday Dennis Landau, CEO, Cooperative Wholesale Society 1900 Event Associated Press organizes in New York City as non-profit news cooperative 1882 Event 1st U.S. college cooperative store opens, at Harvard University
